/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is ThumbsDown.
 *
 * The Initial Developer of the Original Code is Atte Kemppilä.
 * Portions created by the Initial Developer are Copyright (C) 2011
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */


function goUpdateScriptCommands()
{
    for each (let command in Controller.prototype.commands)
        goUpdateCommand(command);
}


// nsIController
function Controller(treeView)
{
    this.treeView = treeView;
    this.selection = treeView.selection;
}

Controller.prototype =
{
    commands: ["cmd_" + s for each (s in "newScript duplicateScript editScript deleteScript copy".split(" "))],
    
    supportsCommand: function(command)
    {
        return (this.commands.indexOf(command) != -1);
    },
    
    isCommandEnabled: function(command)
    {
        if (this.disabled)
            return false;
        
        switch (command)
        {
            case "cmd_newScript":
                return true;
            case "cmd_duplicateScript":
            case "cmd_editScript":
                return (this.selection.count == 1);
            case "cmd_deleteScript":
            case "cmd_copy":
                return (this.selection.count > 0);
        }
    },
    
    doCommand: function(command)
    {
        if (this.isCommandEnabled(command))
            this["_" + command]();
    },
    
    onEvent: function(eventName)
    {
        // empty
    },
    
    _cmd_newScript: function()
    {
        ThumbsDown.openScriptDialog("add");
    },
    
    _cmd_duplicateScript: function()
    {
        ThumbsDown.openScriptDialog("add", this.treeView.view[this.treeView.selectedIndex].id);
    },
    
    _cmd_editScript: function()
    {
        ThumbsDown.openScriptDialog("set", this.treeView.view[this.treeView.selectedIndex].id);
    },
    
    _cmd_deleteScript: function()
    {
        let indexes = this.treeView.selectedIndexes;
        let ids = [this.treeView.view[index].id for each (index in indexes)];
        this.treeView.treeBoxObject.ensureRowIsVisible(indexes[indexes.length - 1]);
        this.treeView.treeBoxObject.ensureRowIsVisible(indexes[0]);
        
        if (! this._confirmRemove(indexes))
            return;
        
        ScriptStore.removeScripts(ids);
    },
    
    _cmd_copy: function()
    {
        let indexes = this.treeView.selectedIndexes;
        let scripts = [this.treeView.view[index] for each (index in indexes)];
        let records = [script._record for each (script in scripts)];
        ThumbsDown.copyScriptsToClipboard(records);
    },
    
    _confirmRemove: function(indexes)
    {
        if (indexes.length == 1)
        {
            let script = this.treeView.view[indexes[0]];
            return Services.prompt.confirm(window, this._("remove.confirm.title"), this._("remove.confirm.one", script.name));
        }
        else
        {
            let count = indexes.length;
            return Services.prompt.confirm(window, this._("remove.confirm.title"), this._("remove.confirm.many", count));
        }
    },
}
